i have let my rear resevoir run dry , changing my rear out again, and need to know what the disadvantages of leaving the brake line open are??? I know the dirt and moisture but is there any permanent harm to the braking system. I would rather not have to keep bleeding these things since the car is gonna sit till the rear gets rebuilt.

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'89 SHAGGY IROC
L98 7r4, all free stuff,T.E.S.,HOOKER CAT BACK,KYB,ACCEL8.8,JET fan sw. etc.
so much to do , so little money

 

you should be able to find something at a parts store that would let you screw on the flare nuts so you can close the system. do a gravity bleed and cap it. allowing any thing in the system is bad. if you leave it open for a long time the more chances you have for problems. that said i've left lines open for months with nothing bad happening.

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ICON Motorsports
1st & 3rd

 

a nut and bolt with washers would work,right?,I left mine open for a while once,no damage,but better to be safe than.....totally screwed when your rear brakes give out.